Australia is one of the greatest islands in the world.It is a little smaller than China.It is in the south of the earth.So when there is hot summer in our country,it is cold winter in Australia. Australia is big,but the population has small.The population of Australia is the same as that of Shanghai,a city in China. Australia is famous for its sheep and kangaroos.After a short drive from any town,you will find yourself in the middle of white sheep,sheep,sheep,everywhere are sheep.Have you seen a kangaroo?It has a "bag" in its body.The mother kangaroo keeps its baby kangaroo in the "bag".It is very interesting,isn't it?